<template>
  <div class="base-b">
    <div>我是B组件（发布方）</div>
  </div>
</template>

<script>
export default {
  methods: {},
};
</script>

<style scoped>
.base-b {
  width: 200px;
  height: 200px;
  border: 3px solid #000;
  border-radius: 3px;
  margin: 10px;
}
</style>